photosynthesis

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Across
  1. 2. its a green substance in a plant
  2. 5. scientists only ever change one variable in an experiment
  3. 7. our breathing cycle that makes us warm
  4. 8. how our plants develop and grow and how they do it
Down
  1. 1. we breath it in.
  2. 2. we breath it out.
  3. 3. you need it to see in the dark
  4. 4. its something clear we drink
  5. 6. its something sweet that u might put on your breakfast
  6. 9. something that controls all of our cells